03cffd0f56
This can be removed after https://github.com/cjntaylor/node-cmake/pull/37 is merged and released.
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#ifndef OSRM_BINDINGS_NODE_JSON_V8_RENDERER_HPP
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#define OSRM_BINDINGS_NODE_JSON_V8_RENDERER_HPP
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#include "osrm/json_container.hpp"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#include <nan.h>
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#pragma GCC diagnostic pop
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#include <functional>
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namespace node_osrm
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{
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struct V8Renderer
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{
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explicit V8Renderer(v8::Local<v8::Value> &_out) : out(_out) {}
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void operator()(const osrm::json::String &string) const
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{
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out = Nan::New(std::cref(string.value)).ToLocalChecked();
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}
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void operator()(const osrm::json::Number &number) const { out = Nan::New(number.value); }
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void operator()(const osrm::json::Object &object) const
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{
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v8::Local<v8::Object> obj = Nan::New<v8::Object>();
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for (const auto &keyValue : object.values)
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{
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v8::Local<v8::Value> child;
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mapbox::util::apply_visitor(V8Renderer(child), keyValue.second);
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obj->Set(Nan::New(keyValue.first).ToLocalChecked(), child);
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}
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out = obj;
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}
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void operator()(const osrm::json::Array &array) const
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{
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v8::Local<v8::Array> a = Nan::New<v8::Array>(array.values.size());
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for (auto i = 0u; i < array.values.size(); ++i)
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{
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v8::Local<v8::Value> child;
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mapbox::util::apply_visitor(V8Renderer(child), array.values[i]);
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a->Set(i, child);
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}
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out = a;
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}
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void operator()(const osrm::json::True &) const { out = Nan::New(true); }
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void operator()(const osrm::json::False &) const { out = Nan::New(false); }
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void operator()(const osrm::json::Null &) const { out = Nan::Null(); }
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private:
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v8::Local<v8::Value> &out;
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};
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inline void renderToV8(v8::Local<v8::Value> &out, const osrm::json::Object &object)
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{
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osrm::json::Value value = object;
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mapbox::util::apply_visitor(V8Renderer(out), value);
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}
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}
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#endif // JSON_V8_RENDERER_HPP
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